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Carbon Dioxide
MessageDay(s) Test Set Up: Monday through Sunday
Test Code
CO2
CPT Codes
82374
Preferred Specimen
0.5 mL plasma
Other Acceptable Specimens
NULL
Instructions
Draw blood in a PST tube. Spin down and send 0.5 mL of plasma refrigerated. Avoid exposure of specimen to atmosphere.
Transport Container
PST tube
Methodology
Enzymatic End point
Reference Range
22-30 mmol/L
Clinical Significance
Carbon dioxide in serum is used as a measure of acid-base balance.
Last Updated: September 3, 2010